Fixed #26401 -- Added BaseAuthConfig to use auth without migrations.

docs/ref/contrib/auth.txt

@@ -645,3 +645,20 @@ The following backends are available in :mod:`django.contrib.auth.backends`:
    Same as :class:`RemoteUserBackend` except that it doesn't reject inactive
    users because :attr:`~RemoteUserBackend.user_can_authenticate` always
    returns ``True``.
+
+``AppConfig`` classes
+=====================
+
+.. module:: django.contrib.auth.apps
+   :synopsis: AppConfigs for contrib.auth.
+
+.. class:: AuthConfig
+
+    The default :class:`~django.apps.AppConfig`.
+
+.. class:: BaseAuthConfig
+
+    .. versionadded:: 1.11
+
+    An :class:`~django.apps.AppConfig` for use if you :ref:`aren't using
+    <using-auth-without-models>` any of the built-in ``contrib.auth`` models.

docs/releases/1.11.txt

@@ -109,6 +109,10 @@ Minor features
 * Added password validators ``help_text`` to
   :class:`~django.contrib.auth.forms.UserCreationForm`.
 
+* The new :class:`~django.contrib.auth.apps.BaseAuthConfig` ``AppConfig``
+  allows using the authentication system :ref:`without any of the built-in
+  models <using-auth-without-models>`.
+
 :mod:`django.contrib.contenttypes`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/topics/auth/customizing.txt

@@ -1133,3 +1133,28 @@ Finally, specify the custom model as the default user model for your project
 using the :setting:`AUTH_USER_MODEL` setting in your ``settings.py``::
 
     AUTH_USER_MODEL = 'customauth.MyUser'
+
+.. _using-auth-without-models:
+
+Using ``contrib.auth`` without the built-in models
+==================================================
+
+The models shipped with ``contrib.auth`` may not be required. For example, if
+you :ref:`customize the user model <auth-custom-user>` and don't use the
+:class:`~django.contrib.auth.models.Permission` and
+:class:`~django.contrib.auth.models.Group` models, then the ``auth`` tables
+may be unused. To avoid creating these tables, modify the
+:setting:`MIGRATION_MODULES` setting and disable the migrations for the
+``auth`` app::
+
+    MIGRATION_MODULES = {'auth': None}
+
+To prevent creation of the default permissions, change ``'django.contrib.auth'``
+in :setting:`INSTALLED_APPS` to
+:class:`django.contrib.auth.apps.BaseAuthConfig`::
+
+    INSTALLED_APPS = [
+        ...
+        'django.contrib.auth.apps.BaseAuthConfig',
+        ...
+    ]